nds_nlwiki Red links that appear to have a namespace prefix

This query is marked as a draft This query has been published by Bdijkstra.

SQL

USE nds_nlwiki_p;
SELECT fp.page_namespace AS 'fns', fp.page_title AS 'ft', pl_namespace AS 'tns', pl_title AS 'tt'
FROM pagelinks, page fp
WHERE
	pl_namespace=0 AND
    pl_title REGEXP '^[A-Z][a-z_]+:[^_]' AND
    NOT EXISTS (SELECT * FROM page tp WHERE tp.page_namespace=pl_namespace AND tp.page_title=pl_title) AND
    pl_from=fp.page_id

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